#3F3A97#3F3A97

#3F3A97 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.1% C 0.147 H 280.1°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#3F3A97
RGB	rgb(63, 58, 151)
HSL	hsl(243, 44%, 41%)
HSV	hsv(243, 62%, 59%)
CMYK	cmyk(58.3%, 61.6%, 0%, 40.8%)
CIE-LAB	lab(30.20, 30.00, -50.50)
CIE-LCH	lch(30.20, 58.74, 300.71°)
OKLab	oklab(41.06% 0.0259 -0.145)
OKLCH	oklch(41.06% 0.147 280.1)
XYZ	xyz(9.1471, 6.3166, 30.0094)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.50

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3A97 #92973A

analogous

#3A6397 #3F3A97 #6D3A97

triadic

#3F3A97 #973F3A #3A973F

tetradic

#3F3A97 #973A63 #92973A #3A976D

square

#3F3A97 #973A63 #92973A #3A976D

split-complementary

#3F3A97 #976D3A #63973A

monochromatic

#1A183F #2D296B #3F3A97 #5752BC #827ECD

Accessibility & contrast

On white

9.28

#3F3A97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3F3A97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3A97

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3A97	#FFFFFF	#000000	##FFFFFF
##3F3A97	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9A

Deuteranopia (green-blind)

#004495

Tritanopia (blue-blind)

#0C5063

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f3a97;
/* rgb */ color: rgb(63, 58, 151);
/* oklch */ color: oklch(41.1% 0.147 280.1);

Tailwind

colors: {
  custom: {
    50: '#7d70b6',
    500: '#3f3a97',
    950: '#000000',
  },
}

SCSS

$custom: #3f3a97;
$custom-light: #7d70b6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3a97",
  "rgb": {
    "r": 63,
    "g": 58,
    "b": 151
  },
  "hsl": {
    "h": 243.226,
    "s": 44.498,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41058,
    "c": 0.14733,
    "h": 280.1
  },
  "luminance": 0.06317
}

Semantic roles & 50–950 ramp

primary

#3F3A97

secondary

#B3B776

accent

#D454CD

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #3F3A97

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →